201293-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201293-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,9 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201293-05:
(8*2)+(7*0)+(6*1)+(5*2)+(4*9)+(3*3)+(2*0)+(1*5)=82
82 % 10 = 2
So 201293-05-2 is a valid CAS Registry Number.
201293-05-2Relevant articles and documents
Ecofriendly synthesis of quinazolin-4(3H)-ones
Kidwai, Mazaahir,Ruby,Rastogi, Shweta
, p. 423 - 425 (2007/10/03)
Several substituted quinazolin-4(3H)-ones are synthesized using environmentally benign procedure. Neat reactants on subjecting to microwave irradiation (MWI) in the presence of dicyclohexylcarbodimide (DCC) as a condensing agent give the required products